#D1EFFF
Closest named color: Diamond (#B9F2FF). oklch(93.5% 0.038 231), rgb(209, 239, 255).
Aa
Black text reads best on this color (17.50:1).
About this color
#D1EFFF is a very light, muted blue. In OKLCH its lightness is 94%, its chroma 0.038 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.028 away. Black text reads best on it, at 17.50:1.
| Hue family | Blues |
| Lightness | very light (94%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 17.50:1 |
| White text | 1.19:1 |
Values
| HEX | #D1EFFF |
| RGB | rgb(209, 239, 255) |
| HSL | hsl(201, 100%, 91%) |
| OKLCH | oklch(93.5% 0.038 231) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #D1EFFF | 1.19:1 | Fails | Lc -11.4 | Not readable |
| Black text on #D1EFFF | 17.50:1 | AAA | Lc 93.8 | Preferred for body text |
| #D1EFFF text on white | 1.19:1 | Fails | Lc 9.8 | Not readable |
| #D1EFFF text on black | 17.50:1 | AAA | Lc -94.4 | Preferred for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 100.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100 (this color)
#D1EFFF
oklch(93.5% 0.038 231)
-
Step 200
200
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A1C7DB
oklch(80.9% 0.049 231.1)
-
Step 400
400
#6CAAC9
oklch(70.8% 0.078 231.1)
-
Step 500
500
#3E94BB
oklch(63.1% 0.1 231)
-
Step 600
600
#0D7EA7
oklch(55.7% 0.109 230.7)
-
Step 700
700
#006A8E
oklch(49.1% 0.099 230.6)
-
Step 800
800
#055674
oklch(42.5% 0.084 231.2)
-
Step 900
900
#13475E
oklch(37.6% 0.066 231.8)
-
Step 950
950
#0E2A37
oklch(27% 0.041 231.2)
#D1EFFF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #E7EDFF | 0.028 |
| Deuteranopia (no green cones) | #E0E8FF | 0.025 |
| Tritanopia (no blue cones) | #C5F4F4 | 0.027 |
| Achromatopsia (no color) | #EAEAEA | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D1EFFF
#D1EFFF
oklch(93.5% 0.038 231)
- #FFE3D4
#FFE3D4
oklch(93.5% 0.037 50)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #D1EFFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.028
- Pale Sky Blue #BDF6FE ΔE 0.028
- Lavender #E6E6FA ΔE 0.032
- Anti-Flash White #EDF2F4 ΔE 0.039
- Pale Blue #D0FEFE ΔE 0.040
- Duck Egg Blue #C3FBF4 ΔE 0.042
- Really Light Blue #D4FFFF ΔE 0.043
- Very Light Blue #D5FFFF ΔE 0.043
Use #D1EFFF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.